Matches 1 - 50 out of 108 1 2 3 >


Match Document Document Title
US20130344609 CHEMICAL SENSOR IN A PORTABLE ELECTRONIC DEVICE  
A portable electronic device contains a chemical sensor being sensitive to at least one analyte and a trigger sensor. A signal supplied by the trigger sensor is monitored. Subject to the signal of...
US20140220691 DETERMINATION OF A DEGREE OF AGING OF AN OXIDIZING CATALYTIC CONVERTER  
A method for determining a degree of aging of an oxidizing catalytic converter in an exhaust system of an internal combustion engine is provided. The method comprises generating a temporary...
US20150010438 MOBILE CUSTOM-MADE HAND-HELD CHEMICAL DETECTION DEVICE FOR INTERFACING WITH A SMART DEVICE  
A mobile custom-made hand-held chemical detection device interfacing with a smart device. The device includes at least one sensor, a microcontroller, and a Bluetooth module. The at least one...
US20130183766 OPTOELECTRICAL VAPOR SENSING  
A chemical sensor can comprise a nanofiber mass of p-type nanofibers having a HOMO level greater than −5.0 eV. Additionally, the chemical sensor can comprise oxygen in contact with the p-type...
US20080317636 GAS SENSOR DEVICES COMPRISING ORGANIZED CARBON AND NON-CARBON ASSEMBLY  
This invention relates generally to gas sensors comprising organized assemblies of carbon and non-carbon compounds. The invention also relates to devices containing such gas sensors and analysis...
US20140099729 Methods and Apparatus for Artificial Olfaction  
In exemplary implementations of this invention, an electronic olfactor determines whether a scent being tested matches the scent of a positive control. The electronic olfactor can perform this...
US20140371105 MERCURY SENSOR FOR DETECTING, DIFFERENTIATING, AND MEASURING ORGANIC AND INORGANIC MERCURY COMPOUNDS  
The invention relates to a sensor assembly to detect and quantify organic and/or inorganic mercury compounds, including elemental mercury that may be present in gases or liquids, such as natural...
US20140322817 Mass Spectrometer  
A mass spectrometer is disclosed comprising an Electron Transfer Dissociation cell. Positive analyte ions are fragmented into fragment ions upon colliding with singly charged negative reagent ions...
US20070281362 Detection of No With a Semi-Conducting Compound and a Sensor and Device to Detect No  
The invention relates to the use of an organic semi-conducting compound for detecting NO, as well as a sensor (18) and device (9) wherein such a compound is used for the detection of NO. The...
US20060062691 Electronic flow control system for gas phase dilution  
An electronically controlled gas flow dilution system. This dilution system is configured to allow dynamic, real-time dilution of a sample gas before said gas flows through a detector. A flow...
US20140273259 Low-Dimensional Material Chemical Vapor Sensors  
A method of making a low-dimensional material chemical vapor sensor comprising exfoliating MoS2, applying the monolayer flakes of MoS2 onto a SiO2/Si wafer, applying a methylmethacrylate...
US20120282142 GAS SENSOR  
Volatile organic compounds or oxidizing gases are detected when the work function of a metal-organic framework is measured to produce a sensor signal.
US20120282594 METHOD OF ENHANCED DETECTION FOR NANOMATERIAL-BASED MOLECULAR SENSORS  
Sensors based on single-walled carbon nanotubes and graphene which demonstrate extreme sensitivity as reflected in their electrical conductivity to gaseous molecules, such as NO, NO2 and NH3, when...
US20100310422 OPTICAL BIOSENSOR  
The present invention relates to an optical biosensor comprising a porous matrix. In the specific case, reference is made to anodized porous alumina, on the surface of which the biological...
US20140087478 MASS SPECTROMETER INTERFACE  
A mass spectrometer interface, having improved sensitivity and reduced chemical background, is disclosed. The mass spectrometer interface provides improved desolvation, chemical selectivity and...
US20110151574 DETECTION OF TRACE CHEMICALS AND METHOD THEREFOR  
The invention provides devices, systems, and methods for detecting an analyte vapor. Particularly, electronegative analyte vapors, such as those vapors evolving from explosive compounds, are...
US20050214163 Bilayer lipid membrane forming device and bilayer lipid membrane forming method  
A device for forming a bilayer lipid membrane from a lipid membrane, including: a first solution container which contains a first solution; a second solution container which contains a second...
US20130065319 PHOTOCONDUCTIVE SENSOR MATERIALS FOR DETECTION OF EXPLOSIVE VAPOR  
A photoconductive sensor compound for detecting explosives can have a structure I: where R is a morphology control group, A is a linking group, B is a electron donor that is selective for...
US20140011286 SENSORS FOR GAS DOSIMETRY  
Methods and sensors for selective fluid sensing are provided. A gas dosimeter includes a housing configured with an opening to admit an analyte. The gas dosimeter also includes a multivariate...
US20120190131 Biosensor Electronics  
The electrostatic resonators of bridge, cantilever and comb type or piezoelectric resonators with detection electronics are key components of chemical, biological, biochemical and biomedical...
US20130034911 OZONE CONVERSION SENSORS FOR AN AUTOMOBILE  
A system for a vehicle includes a first ozone sensor that generates a first sensor signal indicating a first amount of ozone in air flowing into a radiator. A second ozone sensor generates a...
US20050009195 Device for analyzing the alcohol content of respiratory gas  
Disclosed is a hand-held device for analyzing the alcohol content found in expelled respiratory gas, the device comprising an outer analyzer housing, a gas analysis and readout assembly, and a...
US20140193924 INSTRUMENTS FOR MONITORING ELECTROSTATIC PHENOMENA IN REACTORS  
Probes for monitoring electrostatic phenomena in challenging environments, such as fluidized bed reactors. These probes include a coated or uncoated static probe for measuring electric field and...
US20140004617 Radiation Generator Including Sensor To Detect Undesirable Molecules And Associated Methods  
An electronic radiation generator includes a housing, a high voltage power supply, with—dielectric gas molecules inside the housing, at least some of the gas molecules to degrade into constituent...
US20090280381 Diatomaceous Earth Proton Conductor  
Diatomaceous earth (“DE”) proton conductors are disclosed for use as electrolytes in electrochemical applications, such as fuel cells, gas sensors, humidity sensors, and pH sensors. The DE proton...
US20100215547 CHEMICAL VAPOR SENSOR WITH IMPROVED AGING AND TEMPERATURE CHARACTERISTICS  
A chemical vapor sensor includes an polymer layer and a first stratum of electrically conductive particles partially embedded in the polymer layer. A second stratum of electrically conductive...
US20090208376 PHOTO-CATALYST OZONE DETECTOR  
A photo-catalyst ozone detector includes a base. A positive electrode and a negative electrode are respectively disposed on the base. A photo-catalyst coating is disposed on the base for...
US20150204829 CHALCOGEN GAS MONITORING DEVICE  
Provided is a chalcogen gas monitoring device. The chalcogen gas monitoring device includes a reaction unit which varies in resistance due to reaction occurring by contact between chalcogen gas...
US20110263036 AMORPHOUS THIN FILM FOR SENSING  
An apparatus and method for low-power sensing, for example, sensing of chemical or biochemical analytes in a gas or liquid phase are disclosed. One aspect relates to the use of a thin continuous...
US20070090045 Multidiameter wire cloth  
A wire mesh fabric, having a plurality of wires running in a first parallel direction, the first plurality of wires having a first wire diameter; a second plurality of wires running in a second...
US20110183431 MASS ANALYSIS SYSTEM WITH LOW PRESSURE DIFFERENTIAL MOBILITY SPECTROMETER  
A mass analysis system including a low pressure dissociation region and a differential mobility spectrometer. The differential mobility spectrometer including at least one pair of filter...
US20120161790 NOx SENSING MATERIALS AND SENSORS INCORPORATING SAID MATERIALS  
Gas-sensitive materials are disclosed which are mixtures or composites of BaSnO3, and another component comprising one or more phases from the group: CuO, Cr2O3, Fe2O3, MnO, NiO, CoO, Bi2O3,...
US20150249000 INSTRUMENT FOR ANALYSING COMPOUNDS  
Instrument for analysing compounds, comprising an ion source, an adjacent drift tube and a mass spectrometer including an ion detector for separation and detection of product ions, wherein...
US20130058831 CATALYTIC COMBUSTION TYPED GAS SENSOR  
Provided is a catalytic combustion typed gas sensor of detecting a combustible gas having a concentration equal to or more than a predetermined value based on a raised electric resistance. Herein,...
US20140370613 Atmospheric Pressure Chemical Ionization Detection  
An atmospheric pressure chemical ionization detector includes a reaction chamber that is configured to receive gas phase analytes. An electrode is disposed within the reaction chamber and is...
US20140099725 METHODS FOR THE ANALYSIS OF GLYCOPROTEINS OR GLYCOPEPTIDES BY MASS SPECTROMETRY  
A method for the analysis of samples including one or more glycopeptides including the steps of separating one or more glycopeptides using a chromatography system to produce a chromatographic...
US20060251543 Miniaturized gas sensors featuring electrical breakdown in the vicinity of carbon nanotube tips  
An ionization gas sensor includes a first electrode and a second electrode, such as cathode and anode electrodes. The second electrode is a carbon nanotube film having a carbon nanotube density...
US20100062536 DETECTOR FOR THE DETECTION OF CHEMICAL WARFARE AGENTS AND METHOD OF MANUFACTURE THEREOF  
In a method and apparatus for detecting toxic chemical hazardous materials and warfare agents in a gas, the gas is exposed to a substrate with a hydrogen terminated surface. The substrate may be...
US20100311103 SOLID SUPPORT COATED WITH AT LEAST ONE METAL FILM AND WITH AT LEAST ONE TRANSPARENT CONDUCTIVE OXIDE LAYER FOR DETECTION BY SPR AND/OR BY AN ELECTROCHEMICAL METHOD  
One subject of the present invention is a transparent solid support coated with at least one layer of metal and with at least one layer of transparent conductive oxide (TCO), especially tin-doped...
US20050220673 Sensor comprising an array of pieroresistors  
The invention relates to a sensor comprising at least 3 sensor units arranged in one or more rows of sensor units. Each sensor unit comprises a piezoresistor and wires for applying a voltage over...
US20140127822 Electro-Mechanical Switches and Methods of Use Thereof  
One aspect of the invention relates to an ultrathin micro-electromechanical chemical sensing device which uses swelling or straining of a reactive organic material for sensing. In certain...
US20080274559 Gas Sensor for Determining Ammonia  
The invention relates to a gas sensor which is used to detect ammonia by detecting and evaluating conductivity variations on semi-conductive metal oxides, comprising: a substrate, a gas sensitive...
US20050220672 Sensing element for catalytic combustion type gas sensor  
The catalytic combustion type gas sensor includes a sensing element, a heat conducting layer of which includes boron nitride. The boron nitride content is from 30 wt % to 100 wt % of a material...
US20120196379 METHODS AND DEVICES FOR DETECTING UNSATURATED COMPOUNDS  
A method for detecting an unsaturated compound, the method comprising monitoring change in electrical properties of a substance that reacts or interacts with unsaturated compounds.
US20130177995 HIGHLY EPITAXIAL THIN FILMS FOR HIGH TEMPERATURE/HIGHLY SENSITIVE CHEMICAL SENSORS FOR CRITICAL AND REDUCING ENVIRONMENT  
An oxygen sensor includes an epitaxial oxide thin film double perovskite oxygen sensor formed on a single crystal oxide substrate. The thin film includes a lanthanide element, barium, cobalt, and...
US20060171848 Diagnostic plasma sensors for endpoint and end-of-life detection  
A plasma measurement device comprises data sensors for sensing properties of the plasma environment together with diagnostic sensors for measuring properties related to the functional integrity of...
US20100282245 Detection of nitric oxide  
A system for the detection of nitric oxide in a gas sample includes a converter for oxidation of nitric oxide to nitrogen dioxide, a nitrogen dioxide sensor including nanostructures and a...
US20070140908 Proton acceptance type sensor, hydrogen gas sensor and acid sensor  
The present invention provides a low-cost hydrogen gas sensor, which exhibits high sensory selectivity for protons and operates at room temperature, and can also provide a highly sensitive sensor...
US20110244585 CHEMICAL SENSORS CONTAINING CARBON NANOTUBES, METHOD FOR MAKING SAME, AND USES THEROF  
A device is disclosed for detecting at least one chemical compound comprising at least one carbon nanotube with several graphene layers, on which is grafted at least one molecule bearing group G1...
US20120071362 NONWOVEN-BASED CHEMI-CAPACITIVE OR CHEMI-RESISTIVE GAS SENSOR  
A chemical gas sensor formed from a nonwoven material is described. The gas sensor includes a flexible, gas-permeable, nonwoven web-based material substrate having a matrix that is composed of a...

Matches 1 - 50 out of 108 1 2 3 >